20040688

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{73679}}^1$

素因数の和:73704

約数の個数: 20

約数和(自身を含む): 41113440

約数和(自身を除く): 21072752

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 73679, 147358, 294716, 589432, 1178864, 1252543, 2505086, 5010172, 10020344, 20040688]

約数ペア:

[(1, 20040688), (2, 10020344), (4, 5010172), (8, 2505086), (16, 1252543), (17, 1178864), (34, 589432), (68, 294716), (136, 147358), (272, 73679)]